With our Una Knitted Shade Cloth you get it all! have a general propose for the outdoor sunblock. It can be used to protect your plants from the over sun over heating,also you get a more comfortable outdoor living place. UV resistant material and long life span. We use #3 genuine brass grommets and 2in reinforcement tape by double stitched for extra holding power. Our knitted shade cloth is made from 100% UV stabilized high density polyethylene. Its unique lock stitch construction will not unravel. More cloth-like to look and feel and has threads running in various directions. Its light weight and durability make it a superior choice for all types of shade applications. Create Shade Anywhere You want! Black or Dark Green color used for Patios, Awnings, Canopies, Greenhouses, Cabanas, Sun Sails. The following knit density sun block percentages are commonly used: 1.Pergola and patio covers: normally +/- 80% depending upon level of heat reduction desire 2.Swimming pool leaf covers: 30% will keep leaves out and 40% or 50% for needles 3.Wind screen panels: 60% up to 90% depending on need for privacy and wind blockage 4.Water treatment plants: algae control and chlorine contact channels typically use 90% 5.Spider diaper curtains: 80% or 90% under dock roof keeps spider poo off your boat 6.Koi pond leaf netting: +/- 40% unless you also wish to lower water temperature a bit 7.Greenhouse cover: 30% up to 60% shade factor based on plant lighting needs 8.Bug netting curtains: 65% is dense enough for larger insects and 80% + for smaller 9.Privacy fence: a single layer of 87% provides privacy from a distance and at angle 10.Paintball netting: 56% and above will stop paintballs from passing through